DE69933127D1 - POLYHALOGENIDE PARTICLES AND LIGHT VALVES CONTAINING THEREOF - Google Patents

POLYHALOGENIDE PARTICLES AND LIGHT VALVES CONTAINING THEREOF

Info

Publication number
DE69933127D1
DE69933127D1 DE69933127T DE69933127T DE69933127D1 DE 69933127 D1 DE69933127 D1 DE 69933127D1 DE 69933127 T DE69933127 T DE 69933127T DE 69933127 T DE69933127 T DE 69933127T DE 69933127 D1 DE69933127 D1 DE 69933127D1
Authority
DE
Germany
Prior art keywords
compound
group
polyhalogenide
particles
light valves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69933127T
Other languages
German (de)
Other versions
DE69933127T2 (en
Inventor
I Di Thompson
L Saxe
Barry Fanning
M Slovak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Research Frontiers Inc
Original Assignee
Research Frontiers Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Research Frontiers Inc filed Critical Research Frontiers Inc
Priority claimed from PCT/US1999/015564 external-priority patent/WO2000003178A1/en
Application granted granted Critical
Publication of DE69933127D1 publication Critical patent/DE69933127D1/en
Publication of DE69933127T2 publication Critical patent/DE69933127T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/055—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect the active material being a ceramic
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/0009—Materials therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Artificial Filaments (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

A polyhalide tight-polarizing material comprising a complex obtained by reacting: (a) elemental iodine; (b) a hydrohalide acid or an ammonium halide, alkali metal halide or alkaline earth metal halide; (c) a first compound capable of chelating hydrogen, ammonium or metal ions; and (d) a second compound comprising at least one chelating group present in the first compound and either (1) at least one group of the first compound is changed to a different group or (2) the second compound comprises at least one additional group.
DE69933127T 1998-07-09 1999-07-09 POLYHALOGENIDE PARTICLES AND LIGHT VALVES CONTAINING THEREOF Expired - Fee Related DE69933127T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9233198P 1998-07-09 1998-07-09
US92331P 1998-07-09
PCT/US1999/015564 WO2000003178A1 (en) 1998-07-09 1999-07-09 Polyhalide particles and light valves comprising same

Publications (2)

Publication Number Publication Date
DE69933127D1 true DE69933127D1 (en) 2006-10-19
DE69933127T2 DE69933127T2 (en) 2007-03-08

Family

ID=22232719

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69933127T Expired - Fee Related DE69933127T2 (en) 1998-07-09 1999-07-09 POLYHALOGENIDE PARTICLES AND LIGHT VALVES CONTAINING THEREOF

Country Status (7)

Country Link
EP (1) EP1105775B1 (en)
JP (1) JP4324326B2 (en)
KR (1) KR100399717B1 (en)
AT (1) ATE338965T1 (en)
AU (1) AU4981099A (en)
CA (1) CA2336347C (en)
DE (1) DE69933127T2 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5002701A (en) * 1989-02-10 1991-03-26 Research Frontiers Incorporated Light polarizing materials and suspensions thereof
US5516463A (en) * 1993-07-21 1996-05-14 Research Frontiers Incorporated Method of making light-polarizing particles

Also Published As

Publication number Publication date
EP1105775B1 (en) 2006-09-06
JP2002520646A (en) 2002-07-09
EP1105775A1 (en) 2001-06-13
EP1105775A4 (en) 2005-04-13
KR100399717B1 (en) 2003-09-29
CA2336347C (en) 2004-11-23
CA2336347A1 (en) 2000-01-20
ATE338965T1 (en) 2006-09-15
DE69933127T2 (en) 2007-03-08
AU4981099A (en) 2000-02-01
KR20010071781A (en) 2001-07-31
JP4324326B2 (en) 2009-09-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee